UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cuv55QthQgbs0VlyIzoAe7cStVdFOUPD2P7j3xRuqKU=' 
WHERE 
  key_id = '40b7ff3b59ae915159378e70659adc1416ad5804eba2acde17d57de74a43ca50' 
  AND (
    token = 'Cuv55QthQgbs0VlyIzoAe7cStVdFOUPD2P7j3xRuqKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039